Data processing: database and file management or data structures – File or database maintenance – Database recovery
Reexamination Certificate
2008-11-13
2011-12-20
Saeed, Usmaan (Department: 2166)
Data processing: database and file management or data structures
File or database maintenance
Database recovery
Reexamination Certificate
active
08082232
ABSTRACT:
First information representing a plurality of snapshot acquisition time points of the data storage device, journal management data which are second information including the time point at which data are written to the data storage device and the size of the journal for writing the data, and third information representing a plurality of recovery points are acquired. The total transfer data size of one or more data to be transferred in order to recover the data group of the data storage device at the recovery point is calculated for each recovery point on the basis of the first information, journal management data, and third information. A display screen that visualizes the correspondence relationship between the respective recovery points and respective recovery load information representing a recovery load that is expressed on the basis of the total transfer data size calculated for the respective recovery points is displayed.
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Japanese Office Action dated Sep. 4, 2008.
Okada Wataru
Sato Masahide
Yamamoto Masayuki
Ahluwalia Navneet K
Hitachi , Ltd.
Saeed Usmaan
Sughrue & Mion, PLLC
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